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    <p>
        <a name="TOC"><b>Up:</b></a> <a href="http://www.qhull.org">Home page</a> for
        Qhull (<a href="../index.htm">local</a>)<br>
        <b>Up:</b> <a href="index.htm#TOC">Qhull manual</a> <br>
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        &#149; <a href="qh-quick.htm#options">Options</a>
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        &#149; <a href="qh-optf.htm#format">Formats</a>
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        &#149; <a href="qh-optq.htm#qhull">Qhull</a>
        &#149; <a href="qh-optc.htm#prec">Precision</a>
        &#149; <a href="qh-optt.htm#trace">Trace</a>
        &#149; <a href="http://www.qhull.org/src/libqhull_r/index.htm">Functions</a> (<a href="../src/libqhull_r/index.htm">local</a>)<br>
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        &#149; <a href="../src/libqhull_r/qh-stat_r.htm">Stat</a> &#149; <a href="../src/libqhull_r/qh-user_r.htm">User</a>
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<h1><a
href="http://www.geom.uiuc.edu/graphics/pix/Special_Topics/Computational_Geometry/cone.html"><img
src="qh--cone.gif" alt="[cone]" align="middle" width="100"
height="100"></a> Qhull quick reference</h1>

This section lists all programs and options in Qhull.

<p><b>Copyright &copy; 1995-2020 C.B. Barber</b></p>

<p>
<a name="programs">&nbsp;</a>
<hr>
<b>Qhull programs</b>
<p><a href="#TOC">&#187;</a> <a href="qh-quick.htm#programs">Programs</a>
&#149; <a href="qh-quick.htm#options">Options</a>
&#149; <a href="qh-opto.htm#output">Output</a>
&#149; <a href="qh-optf.htm#format">Formats</a>
&#149; <a href="qh-optg.htm#geomview">Geomview</a>
&#149; <a href="qh-optp.htm#print">Print</a>
&#149; <a href="qh-optq.htm#qhull">Qhull</a>
&#149; <a href="qh-optc.htm#prec">Precision</a>
&#149; <a href="qh-optt.htm#trace">Trace</a>
&#149; <a href="http://www.qhull.org/src/libqhull_r/index.htm">Functions</a> (<a href="../src/libqhull_r/index.htm">local</a>)</p>

<dl>
    <dt><a href="qconvex.htm">qconvex</a> -- convex hull</dt>
    <dd><a href="qconvex.htm#synopsis">sy</a>nopsis &#149; <a
            href="qconvex.htm#input">in</a>put &#149; <a
        href="qconvex.htm#outputs">ou</a>tputs &#149; <a
        href="qconvex.htm#controls">co</a>ntrols &#149; <a
        href="qconvex.htm#graphics">gr</a>aphics &#149; <a
        href="qconvex.htm#notes">no</a>tes &#149; <a
        href="qconvex.htm#conventions">co</a>nventions &#149; <a
                href="qconvex.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qdelaun.htm">qdelaunay</a> -- Delaunay triangulation</dt>
    <dd><a href="qdelaun.htm#synopsis">sy</a>nopsis &#149; <a
            href="qdelaun.htm#input">in</a>put &#149; <a
        href="qdelaun.htm#outputs">ou</a>tputs &#149; <a
                 href="qdelaun.htm#controls">co</a>ntrols &#149; <a
        href="qdelaun.htm#graphics">gr</a>aphics &#149; <a
        href="qdelaun.htm#notes">no</a>tes &#149; <a
                href="qdelaun.htm#conventions">co</a>nventions &#149; <a
            href="qdelaun.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qdelau_f.htm">qdelaunay Qu</a> -- furthest-site Delaunay triangulation</dt>
    <dd><a href="qdelau_f.htm#synopsis">sy</a>nopsis &#149; <a
            href="qdelau_f.htm#input">in</a>put &#149; <a
        href="qdelau_f.htm#outputs">ou</a>tputs &#149; <a
                 href="qdelau_f.htm#controls">co</a>ntrols &#149; <a
        href="qdelau_f.htm#graphics">gr</a>aphics &#149; <a
        href="qdelau_f.htm#notes">no</a>tes &#149; <a
                href="qdelau_f.htm#conventions">co</a>nventions &#149; <a
            href="qdelau_f.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qhalf.htm">qhalf</a> -- halfspace intersection about a point</dt>
    <dd><a href="qhalf.htm#synopsis">sy</a>nopsis &#149; <a
            href="qhalf.htm#input">in</a>put &#149; <a
        href="qhalf.htm#outputs">ou</a>tputs &#149; <a
        href="qhalf.htm#controls">co</a>ntrols &#149; <a
        href="qhalf.htm#graphics">gr</a>aphics &#149; <a
        href="qhalf.htm#notes">no</a>tes &#149; <a
        href="qhalf.htm#conventions">co</a>nventions &#149; <a
                href="qhalf.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qvoronoi.htm">qvoronoi</a> -- Voronoi diagram</dt>
    <dd><a href="qvoronoi.htm#synopsis">sy</a>nopsis &#149; <a
            href="qvoronoi.htm#input">in</a>put &#149; <a
            href="qvoronoi.htm#outputs">ou</a>tputs &#149;
        <a href="qvoronoi.htm#controls">co</a>ntrols &#149; <a
        href="qvoronoi.htm#graphics">gr</a>aphics &#149; <a
        href="qvoronoi.htm#notes">no</a>tes  &#149; <a
            href="qvoronoi.htm#conventions">co</a>nventions &#149; <a
            href="qvoronoi.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qvoron_f.htm">qvoronoi Qu</a> -- furthest-site Voronoi diagram</dt>
    <dd><a href="qvoron_f.htm#synopsis">sy</a>nopsis &#149; <a
            href="qvoron_f.htm#input">in</a>put &#149; <a
        href="qvoron_f.htm#outputs">ou</a>tputs &#149; <a
                 href="qvoron_f.htm#controls">co</a>ntrols &#149; <a
        href="qvoron_f.htm#graphics">gr</a>aphics &#149; <a
        href="qvoron_f.htm#notes">no</a>tes &#149; <a
                href="qvoron_f.htm#conventions">co</a>nventions &#149; <a
            href="qvoron_f.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="rbox.htm">rbox</a> -- generate point distributions for qhull</dt>
    <dd><a href="rbox.htm#synopsis">sy</a>nopsis &#149; <a
                href="rbox.htm#outputs">ou</a>tputs &#149; <a
        href="rbox.htm#examples">ex</a>amples &#149; <a
        href="rbox.htm#notes">no</a>tes &#149; <a
                href="rbox.htm#options">op</a>tions</dd>
    <dt>&nbsp;</dt>
    <dt><a href="qhull.htm">qhull</a> -- convex hull and related structures</dt>
    <dd><a href="qhull.htm#synopsis">sy</a>nopsis &#149; <a
            href="qhull.htm#input">in</a>put &#149; <a
        href="qhull.htm#outputs">ou</a>tputs &#149; <a
        href="qhull.htm#controls">co</a>ntrols &#149; <a
                href="qhull.htm#options">op</a>tions</dd>
    </dl>
<a name="options">&nbsp;</a>
<hr>
<b>Qhull options</b>

<p><a href="#TOC">&#187;</a> <a href="qh-quick.htm#programs">Programs</a>
&#149; <a href="qh-quick.htm#options">Options</a>
&#149; <a href="qh-opto.htm#output">Output</a>
&#149; <a href="qh-optf.htm#format">Formats</a>
&#149; <a href="qh-optg.htm#geomview">Geomview</a>
&#149; <a href="qh-optp.htm#print">Print</a>
&#149; <a href="qh-optq.htm#qhull">Qhull</a>
&#149; <a href="qh-optc.htm#prec">Precision</a>
&#149; <a href="qh-optt.htm#trace">Trace</a>
&#149; <a href="http://www.qhull.org/src/libqhull_r/index.htm">Functions</a> (<a href="../src/libqhull_r/index.htm">local</a>)</p>

<p><table>
<!-- Note: keep all lines the same for easy reorganization.
     Same list as 'qhull .' -->
<tr>
<td><nobr>'<a href=qhull.htm#outputs>d</a>'
delaunay
</nobr></td><td><nobr>'<a href="qh-opto.htm#f">f</a>'
facet-dump
</nobr></td><td><nobr>'<a href="qh-optg.htm">G</a>'
Geomview
</nobr></td><td><nobr>'<a href=qhull.htm#outputs>H</a>'
Halfspace

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-opto.htm#i">i</a>'
incidences
</nobr></td><td><nobr>'<a href="qh-opto.htm#m">m</a>'
mathematica
</nobr></td><td><nobr>'<a href="qh-opto.htm#n">n</a>'
normals
<td><nobr>'<a href="qh-opto.htm#o">o</a>'
OFF-format

</nobr></td></tr><tr>
</nobr></td><td><nobr>'<a href="qh-opto.htm#p">p</a>'
points
<td><nobr>'<a href="qh-opto.htm#s">s</a>'
summary
</nobr></td><td><nobr>'<a href=qhull.htm#outputs>v</a>'
voronoi

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fa">Fa</a>'
Farea
</nobr></td><td><nobr>'<a href="qh-optf.htm#FA">FA</a>'
FArea-total
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fc">Fc</a>'
Fcoplanars
</nobr></td><td><nobr>'<a href="qh-optf.htm#FC">FC</a>'
FCentrums

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fd">Fd</a>'
Fd-cdd-in
</nobr></td><td><nobr>'<a href="qh-optf.htm#FD">FD</a>'
FD-cdd-out
</nobr></td><td><nobr>'<a href="qh-optf.htm#FF">FF</a>'
FFacets-xridge
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fi">Fi</a>'
Finner

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fi2">Fi</a>'
Finner-bounded
</nobr></td><td><nobr>'<a href="qh-optf.htm#FI">FI</a>'
FIDs
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fm">Fm</a>'
Fmerges
</nobr></td><td><nobr>'<a href="qh-optf.htm#FM">FM</a>'
FMaple

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fn">Fn</a>'
Fneighbors
</nobr></td><td><nobr>'<a href="qh-optf.htm#FN">FN</a>'
FNeigh-vertex
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fo">Fo</a>'
Fouter
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fo2">Fo</a>'
Fouter-unbounded

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#FO">FO</a>'
FOptions
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fp">Fp</a>'
Fpoint-intersect
</nobr></td><td><nobr>'<a href="qh-optf.htm#FP">FP</a>'
FPoint-near
</nobr></td><td><nobr>'<a href="qh-optf.htm#FQ">FQ</a>'
FQhull

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fs">Fs</a>'
Fsummary
</nobr></td><td><nobr>'<a href="qh-optf.htm#FS">FS</a>'
FSize
</nobr></td><td><nobr>'<a href="qh-optf.htm#Ft">Ft</a>'
Ftriangles
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fv">Fv</a>'
Fvertices

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optf.htm#Fv2">Fv</a>'
Fvoronoi
</nobr></td><td><nobr>'<a href="qh-optf.htm#FV">FV</a>'
FVertex-ave
</nobr></td><td><nobr>'<a href="qh-optf.htm#Fx">Fx</a>'
Fxtremes

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optg.htm#Ga">Ga</a>'
Gall-points
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gc">Gc</a>'
Gcentrums
</nobr></td><td><nobr>'<a href="qh-optg.htm#GDn">GDn</a>'
GDrop-dim
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gh">Gh</a>'
Ghyperplanes

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optg.htm#Gi">Gi</a>'
Ginner
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gn">Gn</a>'
Gno-planes
</nobr></td><td><nobr>'<a href="qh-optg.htm#Go">Go</a>'
Gouter
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gp">Gp</a>'
Gpoints

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optg.htm#Gr">Gr</a>'
Gridges
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gt">Gt</a>'
Gtransparent
</nobr></td><td><nobr>'<a href="qh-optg.htm#Gv">Gv</a>'
Gvertices

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optp.htm#PAn">PAn</a>'
PArea-keep
</nobr></td><td><nobr>'<a href="qh-optp.htm#Pdk">Pdk:n</a>'
Pdrop-low
</nobr></td><td><nobr>'<a href="qh-optp.htm#PDk">PDk:n</a>'
Pdrop-high
</nobr></td><td><nobr>'<a href="qh-optp.htm#PFn">PFn</a>'
PFacet-area-keep

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optp.htm#Pg">Pg</a>'
Pgood
</nobr></td><td><nobr>'<a href="qh-optp.htm#PG">PG</a>'
PGood-neighbors
</nobr></td><td><nobr>'<a href="qh-optp.htm#PMn">PMn</a>'
PMerge-keep
</nobr></td><td><nobr>'<a href="qh-optp.htm#Po">Po</a>'
Poutput-forced

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optp.htm#Po2">Po</a>'
Poutput-error
</nobr></td><td><nobr>'<a href="qh-optp.htm#Pp">Pp</a>'
Pprecision-not

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Qa">Qa</a>'
Qallow-short
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qbk">Qbk:n</a>'
Qbound-low
</nobr></td><td><nobr>'<a href="qh-optq.htm#QBk">QBk:n</a>'
QBound-high
</nobr></td><td><nobr>'<a href="qh-optq.htm#QbB">QbB</a>'
QbB-scale-box

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Qbb">Qbb</a>'
Qbb-scale-last
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qb0">Qbk:0Bk:0</a>'
Qbound-drop
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qc">Qc</a>'
Qcoplanar
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qi">Qi</a>'
Qinterior

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#QJn">QJn</a>'
QJoggle
</nobr></td><td><nobr>'<a href="qh-optq.htm#QRn">QRn</a>'
QRotate
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qs">Qs</a>'
Qsearch-all
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qt">Qt</a>'
Qtriangulate

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Qu">Qu</a>'
QupperDelaunay
</nobr><td><nobr>'<a href="qh-optq.htm#Qw">Qw</a>'
Qwarn-allow
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qx">Qx</a>'
Qxact-merge
<td><nobr>'<a href="qh-optq.htm#Qz">Qz</a>'
Qzinfinite

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Qf">Qf</a>'
Qfurthest
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qg">Qg</a>'
Qgood-only
</nobr></td><td><nobr>'<a href="qh-optq.htm#QGn">QGn</a>'
QGood-point
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qm">Qm</a>'
Qmax-outside

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Qr">Qr</a>'
Qrandom
</nobr></td><td><nobr>'<a href="qh-optq.htm#Qv">Qv</a>'
Qvertex-neighbors
</nobr><td><nobr>'<a href="qh-optq.htm#QVn">QVn</a>'
QVertex-good

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Q0">Q0</a>'
Q0-no-premerge
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q1">Q1</a>'
Q1-angle-merge
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q2">Q2</a>'
Q2-no-independent
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q3">Q3</a>'
Q3-no-redundant

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Q4">Q4</a>'
Q4-no-old
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q5">Q5</a>'
Q5-no-check-out
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q6">Q6</a>'
Q6-no-concave
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q7">Q7</a>'
Q7-depth-first

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Q8">Q8</a>'
Q8-no-near-interior
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q9">Q9</a>'
Q9-pick-furthest
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q10">Q10</a>'
Q10-no-narrow
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q11">Q11</a>'
Q11-trinormals

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optq.htm#Q12">Q12</a>'
Q12-allow-wide
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q14">Q14</a>'
Q14-merge-pinched
</nobr></td><td><nobr>'<a href="qh-optq.htm#Q15">Q15</a>'
Q15-duplicate-ridges

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optt.htm#TFn">TFn</a>'
TFacet-log
</nobr></td><td><nobr>'<a href="qh-optt.htm#TI">TI file</a>'
TInput-file
</nobr></td><td><nobr>'<a href="qh-optt.htm#TO">TO file</a>'
TOutput-file
</nobr></td><td><nobr>'<a href="qh-optt.htm#Ts">Ts</a>'
Tstatistics

</nobr></td></tr><tr>
</nobr></td><td><nobr>'<a href="qh-optt.htm#Tv">Tv</a>'
Tverify
<td><nobr>'<a href="qh-optt.htm#Tz">Tz</a>'
Tz-stdout

</nobr></td></tr>
<tr><td>&nbsp;</td></tr><tr>
<td><nobr>'<a href="qh-optt.htm#Tn">T4</a>'
T4-trace
</nobr></td><td><nobr>'<a href="qh-optt.htm#Ta">Ta</a>'
Tannotate
</nobr></td><td><nobr>'<a href="qh-optt.htm#TAn">TAn</a>'
TAdd-stop
</nobr></td><td><nobr>'<a href="qh-optt.htm#Tc">Tc</a>'
Tcheck-often

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optt.htm#TCn">TCn</a>'
TCone-stop
</nobr></td><td><nobr>'<a href="qh-optt.htm#Tf">Tf</a>'
Tflush
</nobr></td><td><nobr>'<a href="qh-optt.htm#TMn">TMn</a>'
TMerge-trace
</nobr></td><td><nobr>'<a href="qh-optt.htm#TPn">TPn</a>'
TPoint-trace

</nobr></td></tr><tr>
<td><nobr>'<a href="qh-optt.htm#TRn">TRn</a>'
TRerun
</nobr></td><td><nobr>'<a href="qh-optt.htm#TVn">TV-n</a>'
TVertex-stop-before
</nobr></td><td><nobr>'<a href="qh-optt.htm#TVn2">TVn</a>'
TVertex-stop-after
</nobr></td><td><nobr>'<a href="qh-optt.htm#TWn">TWn</a>'
TWide-trace

</nobr></td></tr>
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